Kernel Panic while loading the z90crypt device driver - s390x

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux 6.6
  • s390x architecture

Issue

  • System panics while loading the z90crypt device driver after updating to 6.6.
------------[ cut here ]------------
Kernel BUG at 000003e0007dd6a4 [verbose debug info unavailable]
specification exception: 0006 [#1] SMP 
Modules linked in: z90crypt(+) vmcp autofs4 af_iucv qeth_l3 ipv6 vmur qeth qdio ccwgroup ext4 jbd2 mbcache dasd_diag_mod dasd_fba_mod dasd_eckd_mod dasd_mod dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
CPU: 0 Not tainted 2.6.32-504.8.1.el6.s390x #1
Process modprobe (pid: 5683, task: 00000001deaa6040, ksp: 00000001f47af828)
Krnl PSW : 0704000180000000 000003e0007dd6a4 (ap_query_queue+0x48/0xdc [z90crypt])
           R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:0 PM:0 EA:3
Krnl GPRS: 0000000000000010 0000000000000000 0000000000000000 00000001f47afdc4
           00000001f47afdc0 000003e0007dd886 0000000000000000 00000001f47afdc0
           00000001f47afdc4 0000000000000001 0000000000000010 000000000000005a
           000003e0007dc000 000003e0007e89d0 00000001f47afcf8 00000001f47afca0
Krnl Code:>000003e0007dd6a4: 88100010           srl     %r1,16
           000003e0007dd6a8: eb320018000c       srlg    %r3,%r2,24
           000003e0007dd6ae: c02b000000ff       nilf    %r2,255
           000003e0007dd6b4: b9060041           lgbr    %r4,%r1
           000003e0007dd6b8: bd11d000           clm     %r1,1,0(%r13)
           000003e0007dd6bc: eb194000000d       sllg    %r1,%r9,0(%r4)

Resolution

  • This issue appears to be under investigation by private bugzilla # 1172137

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